The role of mitogen-activated protein kinase (MAPK) in morphine tolerance and dependence.

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2009-10

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Abstract

Despite the existence of a large body of information on the subject, the mechanisms of morphine tolerance and dependence are not yet fully understood. There is substantial evidence indicating that mitogen-activated protein kinase (MAPK), a family including extracellular signal-regulated protein kinase, p38 MAPK, and c-Jun N-terminal kinase, can be activated by chronic morphine treatment in the central and peripheral nervous systems and that application of a MAPK inhibitor reduces morphine tolerance and dependence. While the exact mechanism is not completely understood, recent evidence suggests that the activation of MAPK induced by long-term morphine exposure may participate in tolerance and dependence by regulating the downstream targets, such as calcitonin gene-related peptide, substance P, nitric oxide, transient receptor potential vanilloid 1, and proinflammatory cytokines. In this review, we focus on the current understanding of the role of MAPK signaling pathways in morphine tolerance and dependence.

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10.1007/s12035-009-8074-z

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Chen, Yong, and Claudia Sommer (2009). The role of mitogen-activated protein kinase (MAPK) in morphine tolerance and dependence. Mol Neurobiol, 40(2). pp. 101–107. 10.1007/s12035-009-8074-z Retrieved from https://hdl.handle.net/10161/13656.

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Chen

Yong Chen

Associate Professor in Neurology

Dr. Yong Chen is an Associate Professor of Neurology at the Duke University School of Medicine.  He is also affiliated with Duke Anesthesiology-Center for Translational Pain Medicine (CTPM) and Duke-Pathology.

The Chen lab mainly studies sensory neurobiology of pain and itch, with a focus on TRP ion channels and neural circuits. The main objective of our lab is to identify molecular and cellular mechanisms underlying chronic pain and chronic-disease associated itch, using a combination of animal behavioral, genetic, molecular and cellular, advanced imaging, viral, and optogenetic approaches.  There are three major research areas in the lab: craniofacial pain, arthritis pain and joint function, and systemic-disease associated itch.


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